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1·It is used as coating roller in a gravure press and glue applicator in a binding line.

还可用来在凹版印刷机上作涂布思及在装订生产线上作施胶器。

2·The glue applicator was improved. The structure and principle were introduced, and the performance before and after improvement was compared.

介绍了改进后供胶装置的结构及工作原理，并对改进前后的使用效果进行了对比。

3·Use the applicator provided to spread the glue.

使用所附涂敷器涂用胶水。